The couple announced their divorce shortly after the choking incident and now advertising mogul Saatchi, 70, is reportedly planning legal action against Lawson that will expose the alleged “truth” behind their split — and he’s reportedly accusing her of behavior that will blow the lid off her squeaky clean career in a letter sent to Lawson’s attorney last week.

What’s more, a former friend and disgruntled ex-aide of Lawson’s, Francesca Grillo, is also in on an apparent plot to take down the TV chef, providing sworn affidavits that detail the star’s private life and behavior of her children.

“Charles has been portrayed as the villain in all of this but there is far more to it than meets the eye,” a source told The Mirror newspaper.

“Nigella has not given her version of what caused the argument and her silence speaks volumes.

“When she and Charles got together following the death of her first husband John Diamond, she gave him certain assurances and on the day they argued in the restaurant he found out she had not stuck to those assurances.